I needs to insulate electrical and thermal and metal would not do well. On Wed, Jan 28, 2015 at 11:36 AM, Dr. David Kirkby (Kirkby Microwave Ltd) < drkir...@kirkbymicrowave.co.uk> wrote:
> On 28 January 2015 at 18:56, Charles Steinmetz <csteinm...@yandex.com> > wrote: > > > The problem is that an LTZ1000 (or LM399) runs hot enough that most > plastics > > you find lying around won't stand up to it for very long (some of them > melt > > almost immediately when you power it up). This is true even of > > polycarbonate, which is one of the most durable common plastics, and is > why > > the original caps were made from polysulfone. > > > > Unfortunately, it also means that replacements may be hard to make by 3D > > "printing," since the process depends on melting the base material. > > > > Best regards, > > > > Charles > > Is there any reason this cap is not made of metal? If its purpose is > to restrict airflow by convection, metal will do. Copper sheet can > easily be soldered to make something that would restrict airflow and s > > If you want thermal insulation, then PTFE rivited to a metal shield > would provide a plastic that will not melt, and the metal would keep > it in place, as its hard to form a box out of PTFE. It is not an easy > material to glue, but nuts/bolts/rivits will work. > > Dave > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > -- *John Phillips* _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
